diff --git a/requirements_dev.txt b/requirements_dev.txt
index 759253f026fd54ee84102e72ef46f91e9157a120..4ef1cd5b3d22adaf2aca397ef1dc346adc3cb5e0 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -21,5 +21,4 @@ attrs
 gym==0.14.0
 networkx
 ipycanvas
-pygraphviz
 graphviz